{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["country of birth", "cities of residence", "alternate names", "title of person"], "input": "Shell Canada has experienced temporary shortages at about 30 of its 600  Ontario  stations and  Canadian Tire  gas bars have been hit hard since Imperial is their main supplier ."}
{"country of birth": [], "cities of residence": [], "alternate names": [], "title of person": []}